My Outlook.pst and Firefox bookmarks (and other data files) are things that I backup on a regular basis.  Please do the same! :)  The first file is found in "C:Documents and Settings[User]Local SettingsApplication DataMicrosoftOutlook" if you're using Outlook.  The Firefox files location has already been given.  I have thousands of bookmarks and thousands of emails from nearly ten years - no way I'm going to start collecting them from scratch!

Also, if you want to avoid losing all of your Outlook contacts, go to Contacts, select File->Import and Export.  Then select "Export to a file".  Select a relevant format (I use "Comma Separated Values (DOS)".  Follow through.  Now you have a backup-backup just in case Outlook divebombs, your harddrive head crashes, or a virus plays 'wipe the disk'.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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